Ass fruit is basically anal fondue, where-by one person inserts small fruits (grapes, strawberries, etc..) most of, or all of the way into another person's ass and then bites or sucks them out to consume.
I plopped some fruit into my girlfriend's ass, and then enjoyed a nice littlebuffet of ass fruit as I sucked them out.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.